Home / 392,499,754.68-541,675,086.78-225,243,065.78

Finding the Fourth Proportional to 392,499,754.68, 541,675,086.78 and 225,243,065.78

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Solution

The fourth proportional to 392,499,754.68, 541,675,086.78 and 225,243,065.78 is: 310,850,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,499,754.68 : 541,675,086.78 = 225,243,065.78 : x
  2. Step 2: Convert to fraction form
    392,499,754.68/541,675,086.78 = 225,243,065.78/x
  3. Step 3: Cross multiply
    392,499,754.68x = 541,675,086.78 × 225,243,065.78
  4. Step 4: Simplify right side
    392,499,754.68x = 122,008,557,202,974,736
  5. Step 5: Solve for x
    x = 122,008,557,202,974,736/392,499,754.68
  6. Step 6: Final answer
    x = 310,850,021.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.